|  | <!DOCTYPE html> | 
|  | <html> | 
|  | <head> | 
|  | <title>EventSource: addEventListener()</title> | 
|  | <script src="/resources/testharness.js"></script> | 
|  | <script src="/resources/testharnessreport.js"></script> | 
|  | </head> | 
|  | <body> | 
|  | <div id="log"></div> | 
|  | <script> | 
|  | var test = async_test() | 
|  | test.step(function() { | 
|  | var source = new EventSource("resources/message.py") | 
|  | source.addEventListener("message", listener, false) | 
|  | }) | 
|  | function listener(e) { | 
|  | test.step(function() { | 
|  | assert_equals("data", e.data) | 
|  | this.close() | 
|  | }, this) | 
|  | test.done() | 
|  | } | 
|  | </script> | 
|  | </body> | 
|  | </html> | 
|  |  |